dbsta: fix function argument name

Signed-off-by: Peter Gadfort <[email protected]>

Author: gadfort

src/dbSta/include/db_sta/dbNetwork.hh

@@ -163,7 +163,7 @@ class dbNetwork : public ConcreteNetwork
                          const dbIoType& io_type) const;
 
   bool isPGSupply(dbITerm* iterm) const;
-  bool isPGSupply(dbBTerm* iterm) const;
+  bool isPGSupply(dbBTerm* bterm) const;
   bool isPGSupply(dbNet* net) const;
 
   // dbStaCbk::inDbBTermCreate